Amanda A. Trott-Gregorio, MD
NPI 1568653756ActiveIndividual· Allergy & Immunology· San Antonio, TX
Allergy & Immunology (MD) in San Antonio, Texas, licensed in TX, with an NPI issued in August 2007. Their prescriptions cost Medicare Part D more than their services did: $232,711 for 503 claims, against $88,781 paid for services in 2024. Genzyme Corporation was the largest of 25 companies reporting payments in 2025, $3,618 in all, mostly food and beverage.
Overview
| NPI | 1568653756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 5, 2007 |
| Last updated in NPPES | Nov 10, 2022 |
| Certified by provider | Nov 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | N7594 | TX |
| Pediatrics, Pediatric Allergy/Immunology | 2080P0201X | N7594 | TX |
| Pediatrics | 208000000X | BP1-0029100 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 8,013 across 23 procedure codes |
| Paid by Medicare | $88,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 503 · 693 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $232,711 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Allergy/Immunology |
Industry payments (Open Payments)
- 2025$3,618 · 169 payments from 25 companies
- 2024$3,298 · 152 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $434.52 | 15 |
| Csl Behring | $334.09 | 16 |
| Regeneron Healthcare Solutions, Inc. | $328.30 | 13 |
| Glaxosmithkline, LLC. | $259.39 | 15 |
| Novartis Pharmaceuticals Corporation | $250.72 | 10 |
What the 2025 payments were for
- Food and Beverage$3,559 · 167 payments
- Education$59.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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